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<BODY><H2><a href="../contents.htm">Tcl8.6.11/Tk8.6.11 Documentation</a> <small>&gt;</small> Tcl/Tk Keywords - U</H2>
<H3><A HREF="../UserCmd/contents.htm">Tcl/Tk Applications</A> | <A HREF="../TclCmd/contents.htm">Tcl Commands</A> | <A HREF="../TkCmd/contents.htm">Tk Commands</A> | <A HREF="../ItclCmd/contents.htm">[incr Tcl] Package Commands</A> | <A HREF="../SqliteCmd/contents.htm">SQLite3 Package Commands</A> | <A HREF="../TdbcCmd/contents.htm">TDBC Package Commands</A> | <A HREF="../TdbcmysqlCmd/contents.htm">tdbc::mysql Package Commands</A> | <A HREF="../TdbcodbcCmd/contents.htm">tdbc::odbc Package Commands</A> | <A HREF="../TdbcpostgresCmd/contents.htm">tdbc::postgres Package Commands</A> | <A HREF="../TdbcsqliteCmd/contents.htm">tdbc::sqlite3 Package Commands</A> | <A HREF="../ThreadCmd/contents.htm">Thread Package Commands</A> | <A HREF="../TclLib/contents.htm">Tcl C API</A> | <A HREF="../TkLib/contents.htm">Tk C API</A> | <A HREF="../ItclLib/contents.htm">[incr Tcl] Package C API</A> | <A HREF="../TdbcLib/contents.htm">TDBC Package C API</A></H3>
<H3><A HREF="A.htm">A</A> |
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<A HREF="Y.htm">Y</A> |
<A HREF="Z.htm">Z</A></H3>
<DL class="keylist">
<DT><A NAME="uid">uid</A></DT>
<DD>
<A HREF="../TkLib/ConfigWidg.htm" TITLE="Tk_ConfigureWidget, Tk_ConfigureInfo, Tk_ConfigureValue, Tk_FreeOptions - process configuration options for widgets">ConfigWidg</A></DD>
<DT><A NAME="unicode">unicode</A></DT>
<DD>
<A HREF="../TclCmd/encoding.htm" TITLE="encoding - Manipulate encodings">encoding</A>, <A HREF="../TclLib/ByteArrObj.htm" TITLE="Tcl_NewByteArrayObj, Tcl_SetByteArrayObj, Tcl_GetByteArrayFromObj, Tcl_SetByteArrayLength - manipulate Tcl values as a arrays of bytes">ByteArrObj</A>, <A HREF="../TclLib/StringObj.htm" TITLE="Tcl_NewStringObj, Tcl_NewUnicodeObj, Tcl_SetStringObj, Tcl_SetUnicodeObj, Tcl_GetStringFromObj, Tcl_GetString, Tcl_GetUnicodeFromObj, Tcl_GetUnicode, Tcl_GetUniChar, Tcl_GetCharLength, Tcl_GetRange, Tcl_AppendToObj, Tcl_AppendUnicodeToObj, Tcl_AppendObjToObj, Tcl_AppendStringsToObj, Tcl_AppendStringsToObjVA, Tcl_AppendLimitedToObj, Tcl_Format, Tcl_AppendFormatToObj, Tcl_ObjPrintf, Tcl_AppendPrintfToObj, Tcl_SetObjLength, Tcl_AttemptSetObjLength, Tcl_ConcatObj - manipulate Tcl values as strings">StringObj</A>, <A HREF="../TclLib/ToUpper.htm" TITLE="Tcl_UniCharToUpper, Tcl_UniCharToLower, Tcl_UniCharToTitle, Tcl_UtfToUpper, Tcl_UtfToLower, Tcl_UtfToTitle - routines for manipulating the case of Unicode characters and UTF-8 strings">ToUpper</A>, <A HREF="../TclLib/UniCharIsAlpha.htm" TITLE="Tcl_UniCharIsAlnum, Tcl_UniCharIsAlpha, Tcl_UniCharIsControl, Tcl_UniCharIsDigit, Tcl_UniCharIsGraph, Tcl_UniCharIsLower, Tcl_UniCharIsPrint, Tcl_UniCharIsPunct, Tcl_UniCharIsSpace, Tcl_UniCharIsUpper, Tcl_UniCharIsWordChar - routines for classification of Tcl_UniChar characters">UniCharIsAlpha</A>, <A HREF="../TclLib/Utf.htm" TITLE="Tcl_UniChar, Tcl_UniCharToUtf, Tcl_UtfToUniChar, Tcl_UniCharToUtfDString, Tcl_UtfToUniCharDString, Tcl_UniCharLen, Tcl_UniCharNcmp, Tcl_UniCharNcasecmp, Tcl_UniCharCaseMatch, Tcl_UtfNcmp, Tcl_UtfNcasecmp, Tcl_UtfCharComplete, Tcl_NumUtfChars, Tcl_UtfFindFirst, Tcl_UtfFindLast, Tcl_UtfNext, Tcl_UtfPrev, Tcl_UniCharAtIndex, Tcl_UtfAtIndex, Tcl_UtfBackslash - routines for manipulating UTF-8 strings">Utf</A></DD>
<DT><A NAME="unique identifier">unique identifier</A></DT>
<DD>
<A HREF="../TkLib/GetUid.htm" TITLE="Tk_GetUid, Tk_Uid - convert from string to unique identifier">GetUid</A>, <A HREF="../TkLib/SetClass.htm" TITLE="Tk_SetClass, Tk_Class - set or retrieve a window's class">SetClass</A></DD>
<DT><A NAME="units">units</A></DT>
<DD>
<A HREF="../TkCmd/wm.htm" TITLE="wm - Communicate with window manager">wm</A></DD>
<DT><A NAME="unknown">unknown</A></DT>
<DD>
<A HREF="../TclCmd/library.htm" TITLE="auto_execok, auto_import, auto_load, auto_mkindex, auto_qualify, auto_reset, tcl_findLibrary, parray, tcl_endOfWord, tcl_startOfNextWord, tcl_startOfPreviousWord, tcl_wordBreakAfter, tcl_wordBreakBefore - standard library of Tcl procedures">library</A>, <A HREF="../TclCmd/unknown.htm" TITLE="unknown - Handle attempts to use non-existent commands">unknown</A></DD>
<DT><A NAME="unloading">unloading</A></DT>
<DD>
<A HREF="../TclCmd/unload.htm" TITLE="unload - Unload machine code">unload</A>, <A HREF="../TclLib/Exit.htm" TITLE="Tcl_Exit, Tcl_Finalize, Tcl_CreateExitHandler, Tcl_DeleteExitHandler, Tcl_ExitThread, Tcl_FinalizeThread, Tcl_CreateThreadExitHandler, Tcl_DeleteThreadExitHandler, Tcl_SetExitProc - end the application or thread (and invoke exit handlers)">Exit</A></DD>
<DT><A NAME="unmanaged">unmanaged</A></DT>
<DD>
<A HREF="../TkLib/ManageGeom.htm" TITLE="Tk_ManageGeometry - arrange to handle geometry requests for a window">ManageGeom</A></DD>
<DT><A NAME="unmap">unmap</A></DT>
<DD>
<A HREF="../TkLib/MaintGeom.htm" TITLE="Tk_MaintainGeometry, Tk_UnmaintainGeometry - maintain geometry of one window relative to another">MaintGeom</A>, <A HREF="../TkLib/MapWindow.htm" TITLE="Tk_MapWindow, Tk_UnmapWindow - map or unmap a window">MapWindow</A></DD>
<DT><A NAME="unset">unset</A></DT>
<DD>
<A HREF="../TclCmd/trace.htm" TITLE="trace - Monitor variable accesses, command usages and command executions">trace</A>, <A HREF="../TclLib/SetVar.htm" TITLE="Tcl_SetVar2Ex, Tcl_SetVar, Tcl_SetVar2, Tcl_ObjSetVar2, Tcl_GetVar2Ex, Tcl_GetVar, Tcl_GetVar2, Tcl_ObjGetVar2, Tcl_UnsetVar, Tcl_UnsetVar2 - manipulate Tcl variables">SetVar</A></DD>
<DT><A NAME="unwind">unwind</A></DT>
<DD>
<A HREF="../TclLib/Cancel.htm" TITLE="Tcl_CancelEval, Tcl_Canceled - cancel Tcl scripts">Cancel</A></DD>
<DT><A NAME="update">update</A></DT>
<DD>
<A HREF="../TclCmd/dict.htm" TITLE="dict - Manipulate dictionaries">dict</A>, <A HREF="../TclCmd/update.htm" TITLE="update - Process pending events and idle callbacks">update</A></DD>
<DT><A NAME="upvar">upvar</A></DT>
<DD>
<A HREF="../TclCmd/upvar.htm" TITLE="upvar - Create link to variable in a different stack frame">upvar</A>, <A HREF="../TclLib/UpVar.htm" TITLE="Tcl_UpVar, Tcl_UpVar2 - link one variable to another">UpVar</A></DD>
<DT><A NAME="user">user</A></DT>
<DD>
<A HREF="../TclCmd/file.htm" TITLE="file - Manipulate file names and attributes">file</A>, <A HREF="../TclCmd/tclvars.htm" TITLE="argc, argv, argv0, auto_path, env, errorCode, errorInfo, tcl_interactive, tcl_library, tcl_nonwordchars, tcl_patchLevel, tcl_pkgPath, tcl_platform, tcl_precision, tcl_rcFileName, tcl_traceCompile, tcl_traceExec, tcl_wordchars, tcl_version - Variables used by Tcl">tclvars</A>, <A HREF="../TclLib/Translate.htm" TITLE="Tcl_TranslateFileName - convert file name to native form and replace tilde with home directory">Translate</A></DD>
<DT><A NAME="utf">utf</A></DT>
<DD>
<A HREF="../TclLib/ByteArrObj.htm" TITLE="Tcl_NewByteArrayObj, Tcl_SetByteArrayObj, Tcl_GetByteArrayFromObj, Tcl_SetByteArrayLength - manipulate Tcl values as a arrays of bytes">ByteArrObj</A>, <A HREF="../TclLib/Encoding.htm" TITLE="Tcl_GetEncoding, Tcl_FreeEncoding, Tcl_GetEncodingFromObj, Tcl_ExternalToUtfDString, Tcl_ExternalToUtf, Tcl_UtfToExternalDString, Tcl_UtfToExternal, Tcl_WinTCharToUtf, Tcl_WinUtfToTChar, Tcl_GetEncodingName, Tcl_SetSystemEncoding, Tcl_GetEncodingNameFromEnvironment, Tcl_GetEncodingNames, Tcl_CreateEncoding, Tcl_GetEncodingSearchPath, Tcl_SetEncodingSearchPath, Tcl_GetDefaultEncodingDir, Tcl_SetDefaultEncodingDir - procedures for creating and using encodings">Encoding</A>, <A HREF="../TclLib/ToUpper.htm" TITLE="Tcl_UniCharToUpper, Tcl_UniCharToLower, Tcl_UniCharToTitle, Tcl_UtfToUpper, Tcl_UtfToLower, Tcl_UtfToTitle - routines for manipulating the case of Unicode characters and UTF-8 strings">ToUpper</A>, <A HREF="../TclLib/Utf.htm" TITLE="Tcl_UniChar, Tcl_UniCharToUtf, Tcl_UtfToUniChar, Tcl_UniCharToUtfDString, Tcl_UtfToUniCharDString, Tcl_UniCharLen, Tcl_UniCharNcmp, Tcl_UniCharNcasecmp, Tcl_UniCharCaseMatch, Tcl_UtfNcmp, Tcl_UtfNcasecmp, Tcl_UtfCharComplete, Tcl_NumUtfChars, Tcl_UtfFindFirst, Tcl_UtfFindLast, Tcl_UtfNext, Tcl_UtfPrev, Tcl_UniCharAtIndex, Tcl_UtfAtIndex, Tcl_UtfBackslash - routines for manipulating UTF-8 strings">Utf</A></DD>
</DL>
<div class="copy">Copyright &copy; 1989-1994 The Regents of the University of California
<BR>Copyright &copy; 1992-1999 Karl Lehenbauer &amp; Mark Diekhans
<BR>Copyright &copy; 1993-1997 Bell Labs Innovations for Lucent Technologies
<BR>Copyright &copy; 1993-1998 Lucent Technologies, Inc
<BR>Copyright &copy; 1994 The Australian National University
<BR>Copyright &copy; 1994-2000 Sun Microsystems, Inc
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<BR>Copyright &copy; 1997-2000 Scriptics Corporation
<BR>Copyright &copy; 1998 Mark Harrison
<BR>Copyright &copy; 2000 Jeffrey Hobbs
<BR>Copyright &copy; 2001 ActiveState Tool Corp
<BR>Copyright &copy; 2001 Vincent Darley
<BR>Copyright &copy; 2001-2004 ActiveState Corporation
<BR>Copyright &copy; 2001-2005 Kevin B. Kenny &lt;kennykb(at)acm.org&gt;
<BR>Copyright &copy; 2001-2012 Donal K. Fellows
<BR>Copyright &copy; 2002-2010 Andreas Kupries &lt;andreas_kupries(at)users.sourceforge.net&gt;
<BR>Copyright &copy; 2003 George Petasis &lt;petasis(at)iit.demokritos.gr&gt;
<BR>Copyright &copy; 2003 Simon Geard
<BR>Copyright &copy; 2003-2006 Joe English
<BR>Copyright &copy; 2005 Sergey Brester aka sebres
<BR>Copyright &copy; 2006 Miguel Sofer
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